Albutamol Neo Syrup
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Prescription requiredCentaur Pharmaceuticals Ltd`RESPIRATORY
Allerduo Tablet
Bilastine (20mg) + Montelukast (10mg)
Currently out of stock
Same composition, in stock now. Check with your doctor or pharmacist before you switch.
Allerduo Tablet is used for treatment of Allergic conditions Treatment of Allergic rhinitis.
Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated September 2026
Licensed pharmacyPharmacist-verified order
Key details
Salt: Bilastine (20mg) + Montelukast (10mg)
Available variants: tablet 20mg + 10mg 10`S
Best price: ₹152 (₹15.17 per tablet)
MRP: ₹160
Prescription: Required
Manufacturer: CENTAUR PHARMACEUTICALS LTD`
Ordering notes
Delivery details are shown when the medicine is back in stock.
Returns & refunds: orders can be cancelled before dispatch; after dispatch, returns depend on the item category. Read the full policy
Same salt, lower price
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Allerduo Tablet
tablet - 20mg + 10mg - 10 S
₹152
₹15.17 per tablet
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Same salt, different brand — what does that mean?
A substitute contains the same active ingredient (salt), in the same strength, as Allerduo Tablet. The medicine inside is the same — the brand name, manufacturer and price are what differ.
All medicines sold in India, branded or generic, must meet the quality standards set by the national drug regulator (CDSCO). A lower price does not mean lower quality.
Please confirm with your doctor or pharmacist before switching brands — they will check that the strength and form match your prescription.
Composition of Allerduo Tablet
Allerduo Tablet contains Bilastine (20mg) + Montelukast (10mg). It belongs to the Antihistamine / leukotriene antagonist class of medicines.
Uses of Allerduo Tablet
Treatment of Allergic conditions Treatment of Allergic rhinitis
Key benefits
- In Treatment of Allergic rhinitis Allerduo 20mg/10mg Tablet provides relief from allergic symptoms such as blocked or runny nose
- sneezing
- and itchy or watery eyes caused by seasonal hay fever (allergic rhinitis)
- seasonal allergies
- and other allergies. It works by reducing certain substances in the body that are responsible for the allergic symptoms. Allerduo 20mg/10mg Tablet reduces swelling in the airways and gives relief from allergic reactions.
How Allerduo Tablet works
Allerduo 20mg/10mg Tablet is a combination of two medicines: bilastine and montelukast. Bilastine is an antiallergic medication. It treats allergy symptoms such as itching, swelling, and rashes by blocking the effects of a chemical messenger (histamine) in the body. Montelukast works by blocking the action of leukotriene, a chemical messenger. This reduces inflammation in the airways to relieve symptoms of allergies.
How to take Allerduo Tablet
Take this medicine in the dose and duration as advised by your doctor. Swallow it as a whole. Do not chew, crush or break it. Allerduo 20mg/10mg Tablet is to be taken on an empty stomach.
Take it exactly as your doctor prescribed. Do not change the dose or stop early on your own.
Missed dose and overdose
If you miss a dose
If you miss a dose of Allerduo 20mg/10mg Tablet, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular schedule. Do not double the dose.
If you take too much
An overdose of this medicine can cause severe drowsiness, a fast heartbeat, confusion and, in children, agitation and fits. Do not wait for symptoms to appear — go to the nearest emergency department and take the pack or strip with you.
Side effects of Allerduo Tablet
Most side effects of Allerduo are mild and settle as the body adjusts. Reported side effects include:
- Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you’re worried about them
Stop the medicine and seek help immediately for a rash, swelling of the face or lips, wheezing or difficulty breathing. Tell your doctor about any side effect that persists or worries you.
Safety advice for Allerduo Tablet
| Pregnancy | Pregnancy CONSULT YOUR DOCTOR |
|---|---|
| Breastfeeding | Breast feeding CAUTION |
| Alcohol | Alcohol CONSULT YOUR DOCTOR |
| Driving | Driving UNSAFE |
| Kidney | Kidney CAUTION |
| Liver | Liver CAUTION |
| Habit forming | No |
Warnings and precautions
Older antihistamines cause marked drowsiness — do not drive or operate machinery until you know how this affects you. Tell your doctor promptly about any change in mood, sleep, agitation or unusual thoughts while taking montelukast; this is uncommon but recognised. This relieves the symptoms of an allergy; it does not treat the cause, and it is not a treatment for an acute asthma attack. Seek emergency care for swelling of the lips, tongue or throat, or difficulty breathing.
Do not take Allerduo if
Not for anyone with a known allergy to this medicine or to any ingredient in the pack. The sedating antihistamines are not suitable for very young children, or for people with glaucoma or an enlarged prostate, without medical advice.
Interactions with other medicines
Alcohol, sleeping tablets and other sedating medicines add to the drowsiness. Tell your doctor about all cold and cough preparations — many already contain an antihistamine.
How to store Allerduo Tablet
Store below 30°C in the original pack, away from direct sunlight and moisture. Keep out of the reach of children.
Expert advice for Allerduo Tablet
Allerduo 20mg/10mg Tablet helps control allergy symptoms like sneezing, runny nose, and itching but does not cure the condition. Stop taking Allerduo 20mg/10mg Tablet at least three days before taking an allergy test, as it can affect the test results. Do not discontinue use without consulting your doctor, even if you feel better. Taking more than the prescribed amount of Allerduo 20mg/10mg Tablet will not improve effectiveness but may increase side effects. Allerduo 20mg/10mg Tablet should be taken before a meal, as food can reduce its absorption.
Manufacturer and class
- Manufacturer:
- CENTAUR PHARMACEUTICALS LTD`
- Therapeutic class:
- RESPIRATORY
- Drug class:
- Antihistamine / leukotriene antagonist
Substitutes for Allerduo Tablet
Medicines with the same active ingredient (Bilastine (20mg) + Montelukast (10mg)). Ask your doctor or pharmacist before switching brands.
| Medicine | Pack | Price | vs Allerduo Tablet |
|---|---|---|---|
| B-Sys M TabletSYSTOPIC LAB | tablet · 10`S | ₹71 | 53% cheaper |
| Bilafav M ODT 20/10 TabletCIPLA LIMITED | tablet · 10`S | ₹114 | 25% cheaper |
| Spiromont B TabletKOYE PHARMA | tablet · 10`S | ₹116 | 24% cheaper |
| Bilambic-M TabletALEMBIC PHARMA | tablet · 10`S | ₹127 | 17% cheaper |
| Cobil M TabletCOMED CHEMICALS` | tablet · 10`S | ₹130 | 14% cheaper |
| Histabil M TabletKLM LAB | tablet · 10`S | ₹134 | 12% cheaper |
| Bilambic 20 mg TabletALEMBIC PHARMA | tablet · 10`S | ₹139 | 9% cheaper |
| Bilaford M Tablet | 10'S | ₹143 | 6% cheaper |
| Bilashine M TabletSUN PHARMA | tablet · 10 Tablet | ₹149 | 2% cheaper |
| Bilakem Mont Tablet | 1X10 | ₹163 | 8% more |
| Bilalife M TabletWALTER BUSHNEL` | tablet · 10`S | ₹170 | 12% more |
| Belatin-M TabletMacleods Pharmaceuticals Pvt Ltd | tablet · 10`S | ₹179 | 18% more |
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Allerduo Tablet FAQs
What is Allerduo Tablet used for?
Allerduo Tablet is commonly used for Treatment of Allergic conditions Treatment of Allergic rhinitis. Always follow your doctor's advice, this information is for educational purposes and not a substitute for professional medical guidance.
What is the salt in Allerduo Tablet?
Allerduo Tablet contains Bilastine (20mg) + Montelukast (10mg). If you are allergic to any of these active ingredients or excipients, do not take this medicine and speak to your doctor first.
How should I take Allerduo Tablet?
Take this medicine in the dose and duration as advised by your doctor. Take it exactly as prescribed; do not change the dose or stop early without talking to your doctor.
How does Allerduo Tablet work?
Allerduo 20mg/10mg Tablet is a combination of two medicines: bilastine and montelukast.
Is Allerduo Tablet a prescription medicine?
Yes. Allerduo Tablet is a prescription-only (Rx) medicine. Upload a valid prescription from a registered medical practitioner during checkout. We cannot dispense it without a valid Rx.
What are the common side effects of Allerduo Tablet?
The side effects reported most often with Allerduo are Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you’re worried about them. Most are mild and settle as the body adjusts; tell your doctor if any of them persist or worry you, and stop the medicine and seek help at once for a rash, swelling of the face or lips, or difficulty breathing.
Can Allerduo Tablet be taken during pregnancy?
Pregnancy CONSULT YOUR DOCTOR Always tell your doctor if you are pregnant, planning a pregnancy or breastfeeding before starting Allerduo.
Can I drink alcohol while taking Allerduo Tablet?
Alcohol CONSULT YOUR DOCTOR
What if I miss a dose of Allerduo Tablet?
If you miss a dose of Allerduo 20mg/10mg Tablet, take it as soon as possible.
Is Allerduo Tablet habit forming?
No. Allerduo Tablet is not known to be habit forming when taken as prescribed.
Is there a cheaper substitute for Allerduo Tablet?
B-Sys M Tablet has the same active ingredient and strength and is listed from ₹71 on PingMeDoc Pharmacy. Ask your doctor or pharmacist before switching brands, the salt is the same, but excipients and release profiles can differ.
How much does Allerduo Tablet cost on PingMeDoc Pharmacy?
Allerduo Tablet starts at ₹152 (MRP ₹160) on PingMeDoc Pharmacy. Available in tablet 20mg + 10mg 10`S. Final price is confirmed at checkout and may vary by variant and location.
Who manufactures Allerduo Tablet?
Allerduo Tablet is manufactured by CENTAUR PHARMACEUTICALS LTD`. PingMeDoc Pharmacy sources medicines only from licensed manufacturers and distributors.
How is Allerduo Tablet delivered?
Allerduo Tablet is delivered across India via our licensed pharmacy partners. Standard delivery timelines are confirmed at checkout. Chennai customers can opt for chargeable same-city express delivery.
Allerduo Tablet, Quick facts
- Salt
- Bilastine (20mg) + Montelukast (10mg)
- Form
- tablet
- Best price
- ₹152 (₹15.17 per tablet)
- MRP
- ₹160
- Prescription
- Required (Rx)
- Schedule
- Schedule H
- Brand
- CENTAUR PHARMACEUTICALS LTD`
- Manufacturer
- CENTAUR PHARMACEUTICALS LTD`
- Therapeutic class
- RESPIRATORY
- Drug class
- Antihistamine / leukotriene antagonist
- Habit forming
- No
- Variants
- tablet 20mg + 10mg 10`S
- Delivery
- Standard across India
References
The information on Allerduo Tablet is compiled from the manufacturer's prescribing information and the sources below, and is reviewed by a registered medical practitioner. It does not replace advice from your own doctor.
- PingMeDoc clinical monograph library — compiled from Indian package inserts, the Indian Pharmacopoeia
- CDSCO schedules and standard pharmacology references. Reviewed for patient readability. This is general information, not a substitute for your doctor's advice.
- Central Drugs Standard Control Organisation (CDSCO), Ministry of Health & Family Welfare, Government of India, approved drug and schedule listings.
- National List of Essential Medicines (NLEM) 2022, Government of India.
- Manufacturer's package insert / prescribing information for Allerduo Tablet.
- World Health Organization, ATC/DDD classification and Model Formulary for the active ingredient.
Next steps
Safety disclaimer
Product information is for general awareness and does not replace professional medical advice. Always follow a clinician's guidance and upload a valid prescription when required.